GM

Greg Marshall

WE Weatherford/Lamb: 3 patents #218 of 852Top 30%
HS Halliburton Energy Services: 2 patents #2,138 of 4,711Top 50%
SL Silverwell Technology Limited: 1 patents #3 of 5Top 60%
Overall (All Time): #547,883 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
12078040 Dual direction lift gas valve with cavitation prevention Joel D. Shaw, Reece Eagles, Gerard Patterson 2024-09-03
9270051 Wet mate connector Matt Christiansen, Richard L. Miller 2016-02-23
8770300 Debris barrier for hydraulic disconnect tools Joel D. Shaw 2014-07-08
8739885 Debris barrier for hydraulic disconnect tools Joel D. Shaw 2014-06-03
7963341 Apparatus and methods of use for a whipstock anchor Aristeo Rios, III, Stephen Hermes Hester, Adrian Vuyk, Jr., Ken Winterrowd, Dan Hugh Blankenship 2011-06-21
7172039 Down-hole vane motor David W. Teale 2007-02-06
7100696 Disconnect for use in a wellbore 2006-09-05
5248986 Universal swivel device for an adjustable angle vehicular antenna 1993-09-28
5198829 Antenna rod with removably mounted suction cups 1993-03-30